Hieracium scouleri |
Hieracium triste |
|
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hound-tongue hawkweed, hounds tongue hawkweed, hounds-tongue hawkweed (var. griseum), Scouler's hawkweed, Scouler's woollyweed, western hawkweed, western hawkweed (var. albertinum), woolly weed, woolly-weed (var. scouleri) |
alpine hawkweed, slender hawkweed, woolly hawkweed |
|
Habit | Plants (15–)35–60+ cm. | Plants (3–)10–20(–40+) cm. |
Stems | proximally usually piloso-hirsute (hairs 1–8+ mm) and stellate-pubescent, sometimes glabrous, distally usually piloso-hirsute (hairs 1–8+ mm) and stellate-pubescent, rarely stipitate-glandular as well, sometimes glabrous. |
proximally glabrous or stellate-pubescent, distally usually piloso-hirsute (hairs 1–8+ mm) and/or stellate-pubescent and/or stipitate-glandular, sometimes glabrous. |
Leaves | basal 0(–5+), cauline (3–)5–10+; blades lanceolate, oblanceolate or narrowly oblong to elliptic, 50–100(–200) × 10–25(–35+) mm, lengths (3–)4–8+ times widths, bases cuneate, margins entire or denticulate, apices obtuse to acute, faces usually piloso-hirsute (hairs 1–5+ mm) and stellate-pubescent, rarely glabrous. |
basal (3–)5–12+, cauline 0–2(–3+); blades obovate to spatulate or oblanceolate, (15–)25–40(–60+) × 5–10(–25+) mm, lengths 2–3+ times widths, bases cuneate, margins usually entire, rarely denticulate, apices rounded to obtuse (often apiculate), faces usually glabrous, sometimes stipitate-glandular and/or scabrellous. |
Peduncles | usually stellate-pubescent, sometimes piloso-hirsute and/or stipitate-glandular as well, rarely glabrous. |
stellate-pubescent and stipitate-glandular. |
Involucres | campanulate, 8–10 mm. |
± campanulate, (6–)7–10 mm. |
Florets | 20–45+; corollas yellow, 10–12 mm. |
20–60+; corollas yellow, 5–6 mm. |
Phyllaries | 12–21+, apices rounded to acute, abaxial faces piloso-hirsute, stellate-pubescent, and stipitate-glandular. |
13–21+, apices acuminate, abaxial faces piloso-hirsute (hairs 1–3+ mm), stellate-pubescent, and stipitate-glandular. |
Calyculi | bractlets 5–13+. |
bractlets 5–8+. |
Heads | (3–)9–25+ in corymbiform to thyrsiform arrays. |
usually 2–8+ in corymbiform arrays, sometimes borne singly. |
Cypselae | (red-brown or black) columnar, ca. 3 mm; pappi of 32–40+, white or stramineous bristles in ± 2 series, 6–7 mm. |
columnar, 1.5–3.5 mm; pappi of 30–40+ white or sordid bristles in ± 2 series, 4–5 mm. |
Hieracium scouleri |
Hieracium triste |
|
Phenology | Flowering Jun–Sep. | Flowering (Jun–)Jul–Aug(–Sep). |
Habitat | Disturbed sites, openings in pine forests and sagebrush, borders of meadows | Rocky slopes, stream sides, conifer forests, drying meadows, subalpine meadows |
Elevation | 400–3000 m (1300–9800 ft) | 100–3500 m (300–11500 ft) |
Distribution |
CA; ID; MT; NV; OR; UT; WA; WY; AB; BC
|
AK; CA; CO; ID; MT; NM; OR; UT; WA; WY; AB; BC; NT; YT
|
Source | FNA vol. 19, p. 289. | FNA vol. 19, p. 291. |
Parent taxa | Asteraceae > tribe Cichorieae > Hieracium | Asteraceae > tribe Cichorieae > Hieracium |
Sibling taxa | ||
Synonyms | H. absonum, H. albertinum, H. chapacanum, H. cynoglossoides, H. scouleri var. albertinum, H. scouleri var. griseum | Chlorocrepis tristis, H. gracile, H. gracile var. alaskanum, H. gracile var. densifloccosum, H. gracile var. detonsum, H. gracile var. yukonense, H. triste var. fulvum, H. triste subsp. gracile, H. triste var. gracile, H. triste var. tristiforme |
Name authority | Hooker: Fl. Bor.-Amer. 1: 298. (1833) | Willdenow ex Sprengel: Syst. Veg. 3: 640. (1826) |
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